72374803 has 2 divisors, whose sum is σ = 72374804. Its totient is φ = 72374802.

The previous prime is 72374791. The next prime is 72374833. The reversal of 72374803 is 30847327.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72374803 is a prime.

It is a super-2 number, since 2×72374803² = 10476224218577618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72374833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36187401 + 36187402.

It is an arithmetic number, because the mean of its divisors is an integer number (36187402).

Almost surely, 2^72374803 is an apocalyptic number.

72374803 is a deficient number, since it is larger than the sum of its proper divisors (1).

72374803 is an equidigital number, since it uses as much as digits as its factorization.

72374803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 72374803 is about 8507.3381853550. The cubic root of 72374803 is about 416.7373875336.

The spelling of 72374803 in words is "seventy-two million, three hundred seventy-four thousand, eight hundred three".